







Very young ganglion cell Hyla. x '00. 



- 





Ganglion cell from the same ganglion 

 as Fig. 405. x 700. 



?lg. 409. 



Fully-formed ganglion cell, with ve?v 

 distinct spiral rTbre. Common frog. 



X 700. 





The lower part of a ganglion ceil, with the 

 nerve fibres running into it The spiral 

 fibre divides at the lower part of the figure 

 into one DARK-BORDERED FIBRE and two fine 

 fibres. Observe the nuclei in connection 

 with the nerve fibres near their origin from 

 the cell. From the same nerve as Fig. 223. 



X 1800. 



lOCOth of an Inch 

 1000th of an Inch 



7\ilVy-formed ganglion cell from the same ganglion as Figs. 405 and 407. 



The arrangement and connections of the spiral fibre, with numerous 



nuclei are very distinct. Observe the oil globules in the upper part of 



the cslls. x 7CO. 



x ?CO. 



j x ISfiO. 



fTo follow PL. LXVI. 



